JavaScript Get Form Values On Submit

Last Updated : Jan 9, 2023

In this article we will show you the solution of JavaScript get form values on submit, HTTP requests can be built, sent, and retrieved with the XMLHttpRequest (XHR) DOM object.

XMLHttpRequest, designed to fetch and send XML, has been replaced by JSON as an exchange format. Form data requests cannot be encrypted using XML or JSON.

URL-encoded key-value pairs are used to represent form data (application/x-www-form-urlencoded).

It is necessary to re-shape HTTP requests into multipart/form data in order to encapsulate binary data.

HTTP requests can be made safely and securely using XMLHttpRequest. When sending form data with XMLHttpRequest, URL-encode your form data and obey the requests for form data.

The form element is used to create HTML forms.
A DOM property can be used to select an element, such as getElementById() and querySelector(). A document.
Use the form. A form element can be accessed using one of these elements.

HTML forms are represented by the Form Object in the HTML DOM. A form element's properties can be set or retrieved using this tag.

In order to access this element, use the getElementById() method.

An HTML form is captured and submitted using a FormData object or another network method.

Alternatively, we can create an object without a form and append fields wet methods: formData, or we can create a FormData(form) from an HTML form. Adding a value to a name

Step By Step Guide On JavaScript Get Form Values On Submit :-

<HTML>
<HEAD>
<TITLE>Checkbox Test</TITLE>
<SCRIPT LANGUAGE="JavaScript">
Function test button (form){
Alert (form. check);
}
</SCRIPT>
<BODY>
<FORM NAME="TalkersCode form">
<INPUT TYPE="button" NAME="button" Value="Click"
OnClick="testButton(this.form)">
<INPUT TYPE="checkbox" NAME="checkbox1" Value="Check1">Checkbox no.1<BR>
<INPUT TYPE="checkbox" NAME="checkbox2" Value="Check2">Checkbox no.2<BR>
<INPUT TYPE="checkbox" NAME="checkbox3" Value="Check3">Checkbox no.3<BR>
</FORM>
</BODY>
</HTML>

We start by writing HTML>, which tells the browser which HTML version we're using. HTML tags have used at the beginning of HTML documents.
Using the <head> tag, we will explain the project's heading.
Then we open the title for the project name.
Then we added an HTML page with a <script> tag.
Then we open the body for creating the main webpage design.
Then we close the script and open the body for creating a webpage.
Then we create a form using buttons and checkboxes.
After that we close </form></body> and </html>